Spark intensifies



SPARK INTENSIFIER Filed April 21, 1939 ATTORNEYS (5,0. CRAWFORD- 2,185,938

Patented Jan. 2, 1940 UNITED. STATES ",ATEN T oFFicE 2,1s5,93s I SPARK INTENSIFIERI Grover D. Crawford, Elmhurst," N. Y. Application April 2 1, 1939, Serial No. 269,233

1 Claim. (01. 123-148)" The present invention relates to a new and improved spark intensifier.

The primary object of the invention resides in the provision of an intensifier adapted to be po- 5 sitioned on the distributor of an ignition system for receiving the high tension wire from thefspark coil for stepping up the distribution of;-

spark to the plugs.

The advantages of the herein described and 10 illustrated spark intensifier are multiple in that it materially eliminates the amount of carbon in Y the engine thereby reducing to a minimum' the necessity of valve grinding. The use of the same will also provide increased power of the engine 15 with greater mileage per gallon of gas consumption.

Another object of the invention is the prvision of an intensifier for the above purposes which is simple in construction, novel in design 20 and eflicient in operation and which may be readily installed with a minimum amount of time and efiort.

The invention will be fully and comprehensively understood from a consideration of the following detailed description when read in connection with the accompanying drawing which forms a part of the application.

In the drawing: v Figure l is a side elevational View of a portion 30 of a distributor cap with the improved spark intensifier positioned therein.

Figure 2 is a vertical sectional View of an intensifier embodying the features of the present I 45 a high tension wire 3 leading from the spark coil, not shown. I

The intensifier adapted to be positioned within the distributor cap, is generally designated by the reference numeral 9 and comprises a hollow 50 substantially cylindrical-shaped sleeve IE] formed of insulating material such as rubber, Bakelite or the like. The upper end of the sleeve it) receives a brass thimble-like tubing II,- the' interior of which is hollow and of the correct shape 55 and size for receiving the high tension wire 8 held within the socket.

ducting wire is then positioned within the minileading from the spark coil. Referring more par- I ticularly' to Figure 2 of the drawing, it will be noted that the tubing l I is formed with a reduced end l2 receivable Within the upper end ofv the sleeve l0 and forming a shoulder l3 which rests upon the'upper end of said sleeve.

For attaching the intensifier 9 within the central-most socket of the distributor 5; there is provided a thimble-like tubing 14 formed of brass or similar conductive material, which tubing is also formed with a reduced end l5 frictionally held within the lower end of the sleeve ID. The

tubing M is formed with longitudinal slots i6 wherebyit is readily expansible and contractible for positioning in various sized sockets. 15 A conductor I! is placed within the sleeve l0 between the reduced ends 12 and I5 of -the thimbles ll and I4, respectively. The conductor I! is a solid member preferably formed of steel or the like and When positioned Within the sleeve "is so formedas to leave a gap or space between'the 1 reduced end l2 and the side of the sleeveill.

.The conductor H is loosely mountedwithin the cylinder so that when spark from the thimble j II hits. the same it has a tendency to revol e thereby reducing to a minimum the possibility of its burning out. The gap or space provided in the cylinder allows 'for an intense spark on the contact points of the sparkplugs thereby enabling the gaps between said -contact pointsto be .materially enlarged. Enlarging the sparkplug gaps results in less consumption of gas thereby rendering better mileage and also a consequent reduction in the amount of carbon deposit onthe valves andother moving parts of the motor.

To install the intensifier, the conducting wire from the spark coil is removed from its socket and is replaced by the tubing M which is firmly The end of the conble-like tubing H with the end'thereof incontact with the tubing so that properconduction is made. It will thus be seen that the installation of the intensifier requires a minimum amount of time and effort. The conductor ll will at all times rest upon thev reduced end of the conductive tubing l4 and will form an efficient means for carrying thespark from the coil to the distribution points. p Also it will be understood, of course, by those skilled in the art that variations in the hereinabove described device involving the substitution of substantial equivalentsfor the devices de-' scribed are intended to be comprehended within lating material, a split tubular member having a reduced end receivable within one end of said sleeve for attaching said intensifier to a dis tributor, a tubular shaped member disposed within the other end of said sleeve and adapted to receive a conducting wire from a spark coil, both of said sleeves being formed of conductive material, and a conductor positioned within said sleeve between said tubes, said conductor being substantially cylindrical-shaped and of a size so as to provide a space between the end of said conducting wire holder and the side of saidsleeve.

GROVER D.- CRAWFORD. 

